My PC just deleted all admin accounts

[STRMfrmXMN]

Hey all, been awhile since I've needed technical help but I've encountered a problem beyond me.

 

I started my PC just a few minutes ago to get some homework done in LibreOffice. I find that LibreOffice won't open for some reason so I figure I'll just uninstall it and download it again. Turns out, I get a message that says "The system administrator has set policies to prevent this installation." Given that I am literally the only person with access to my PC, this seems odd. I can't run the LibreOffice installer to fix my installation either because I'm not an admin.

 

I go to command prompt to try to mount a disk to wipe and put a Windows ISO on to reinstall Windows. However, I, once again, am told that I can't run CMD as an admin because I'm not an admin. If I run a non-elevated command prompt and type "net user," my account isn't even listed despite it being the one I'm literally logged into. 

 

I don't think I can really reinstall Windows either because all of my VirtualBox VMs are on this PC and I can't lose them since I have a Windows Server class and reinstalling them with all the settings I've been learning about would take literal weeks.

 

Hardware info is on my account page. I'm currently on Windows 10 Education provided to me by my school. My only thought is that, somehow, my school made all users of their product keys for Windows 10 Education into lower-level accounts. However, when I look at my User page within Windows 10 settings, I see this, which clearly tells me I'm an admin. I don't recall ever setting myself up on their domain.

 

Send help

[Jurrunio]

Windows corrupted... My guess is that in the registry the account info has somehow corrupted itself. It is recoverable if you can somehow access regedit but I think you can't right now.

 

Does the "enable built-in admin account" trick work?

 

Otherwise you might need a Windows repair disc. I think it's basically the USB installation disc for the OS.

[STRMfrmXMN]

7 minutes ago, Jurrunio said:

Windows corrupted... My guess is that in the registry the account info has somehow corrupted itself. It is recoverable if you can somehow access regedit but I think you can't right now.

 

Does the "enable built-in admin account" trick work?

 

Otherwise you might need a Windows repair disc. I think it's basically the USB installation disc for the OS.

If I try to boot into Command Prompt in safe mode it tells me there are no admin accounts on the PC. I cannot get into Regedit, correct. I get this error:

 

Don't think I can enable the built in admin account when there are no admin accounts on my PC, but if there is a way then please let me know.

 

I really *cannot* reinstall Windows. I can't stress that hard enough. I'd literally have to take time off work and school to set my VMs up the way they were for the next week probably. I can try to backup the VMs elsewhere but then comes the problem with the server letting me create a new account for each of my VMs all over again.. It's a mess I don't want to deal with.

[Founders]

When you go into local users and groups do you see the local admin account? Will it even let you in to view if it's there?

[STRMfrmXMN]

6 minutes ago, Ehmc130 said:

When you go into local users and groups do you see the local admin account? Will it even let you in to view if it's there?

Well I can run lusrmgr, so that's good. My account name "NathanYoung" is not listed under "Users."

 

[Jurrunio]

50 minutes ago, STRMfrmXMN said:

I really *cannot* reinstall Windows.

Windows repair disc is not used to reinstall the OS, but to fix corrupted files. To be safer you could use another OS install from another drive, clone the current boot drive to yet another drive before using the repair disc on the current boot drive. If repair disc broke the install even further, just clone the backup into it.

[STRMfrmXMN]

1 hour ago, Jurrunio said:

Windows repair disc is not used to reinstall the OS, but to fix corrupted files. To be safer you could use another OS install from another drive, clone the current boot drive to yet another drive before using the repair disc on the current boot drive. If repair disc broke the install even further, just clone the backup into it.

OK so I tried that. Apparently the tools within CMD couldn't actually locate a lot of essential System32 assets, including those listed online to use the hidden admin account. I literally have no choice but to reinstall Windows and back up my VMs 30 different ways and pray they work. Loading a new install of Windows on now, wish me luck!

[Jurrunio]

4 minutes ago, STRMfrmXMN said:

OK so I tried that. Apparently the tools within CMD couldn't actually locate a lot of essential System32 assets, including those listed online to use the hidden admin account. I literally have no choice but to reinstall Windows and back up my VMs 30 different ways and pray they work. Loading a new install of Windows on now, wish me luck!

a painful lesson to remember backing up your boot drive every once in a while  Good luck

[STRMfrmXMN]

13 minutes ago, Jurrunio said:

a painful lesson to remember backing up your boot drive every once in a while  Good luck

Boot drive is never backed up because I save all important things on my flash drive or secondary drive. However the VMs I just installed with native Virtualbox location settings which defaults to putting them on the C:\ drive. The backups seem to have restored mostly OK. I'm apparently unable to use USB 3.0 and 2.0 for now but I've gotten it working so whatever, I can hopefully sleep a little easier tonight.